单选题: Isotopes are atoms that have the same number of ___ but differing number of ___. 选项: A. electrons, protons B. protons, electrons C. protons, neutrons D. neutrons, electrons E. neutrons, protons 相关知识点: 试题来源: 解析 [protons...
百度试题 结果1 题目An element is a substance all of _ atoms have the same atomic number. () A. that B. whose C. what D. which相关知识点: 试题来源: 解析 B 反馈 收藏
解析 首先句子后面是作定语的,由主句可以知道,修饰的是主语element.因为atoms是原子的意思,对于元素来说,逻辑关系自然是“元素里的原子”,所以element和atoms具有从属关系,用whose(注意啦!在定语从句表示从属关系的时候,关系词whose不仅仅适用于人,也可以适用于物)...
搜索智能精选 题目An element is a substance all of _ atoms have the same atomic number. A. that B. whose C. what D. which 答案B
An element is a substance all of _ atoms have the same atomic number.A.thatB.whoseC.w
method of separation of light hydrocarbons with the same number of carbon atoms in the moleculeMATVEEVA T.N.KOFMAN L.S.SAVELEVA T.N.
Atoms of the elements in the same group will form ions with the same charge. This is because atoms in the same group will have the same number of...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer you...
单选题: All atoms of a given element have the same ___. 选项: A. number of electrons and neutrons B. mass C. density D. number of protons E. number of neutrons 相关知识点: 试题来源: 解析 [number of protons] 反馈 收藏
百度试题 结果1 题目 Isotopes are atoms of an element that contain the same number of protons but different numbers of neutrons. 相关知识点: 试题来源: 解析 正确 反馈 收藏
Assertion : The atoms of different elements having same mass number but different atomic numbers are known as isobars. Reason : The sum of protons and neutrons, in the isobars is always different. AIf both assertion and reason are true and reason is the correct explanation of assertion. BIf...